Index: trunk/ppImage/src/ppImageDetrendCell.c
===================================================================
--- trunk/ppImage/src/ppImageDetrendCell.c	(revision 6114)
+++ trunk/ppImage/src/ppImageDetrendCell.c	(revision 6125)
@@ -6,5 +6,4 @@
 pmReadout *ppDetrendSelectFirst(pmCell *cell, char *name, bool doThis)
 {
-
     if (!doThis) {
         return NULL;
@@ -34,14 +33,4 @@
 #endif
 
-    // Dark time for dark image
-    float darkTime = 1.0;
-    if (options->doDark) {
-        darkTime = psMetadataLookupF32(NULL, detrend->dark->concepts, "CELL.DARKTIME");
-        if (darkTime <= 0.0) {
-            psErrorStackPrint(stderr, "DARKTIME for dark image (%f) is non-positive.\n", darkTime);
-            exit(EXIT_FAILURE);
-        }
-    }
-
     for (int k = 0; k < detrend->input->readouts->n; k++) {
 
@@ -50,10 +39,10 @@
         // Mask bad pixels
         if (options->doMask) {
-            ppDetrendMask (detrend->input, input, mask);
+            ppDetrendMask(detrend->input, input, mask);
         }
 
         // Non-linearity correction
         if (options->doNonLin) {
-            ppDetrendNonLinear (detrend->input, input, options);
+            ppDetrendNonLinear(detrend->input, input, options);
         }